{"id":965,"date":"2019-03-19T19:53:00","date_gmt":"2019-03-19T16:53:00","guid":{"rendered":"https:\/\/artem.services\/?p=965"},"modified":"2019-03-19T20:10:11","modified_gmt":"2019-03-19T17:10:11","slug":"965","status":"publish","type":"post","link":"https:\/\/artem.services\/?p=965","title":{"rendered":"Kubernetes — \u041e\u0447\u0438\u0441\u0442\u043a\u0430 \u0440\u0430\u0437\u0434\u0435\u043b\u0430 \u043f\u043e\u0434\u0430 Postgres \u043f\u0440\u0438 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0438"},"content":{"rendered":"

\"\"<\/p>\n

\u0417\u0430\u0434\u0430\u0447\u0430 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0430\u044f, \u0443\u0434\u0430\u043b\u044f\u0442\u044c \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 Persistent Storage<\/strong> \u0434\u043b\u044f \u043f\u043e\u0434\u0430 \u0441 Postgres<\/strong> \u0431\u0430\u0437\u043e\u0439 \u0434\u0430\u043d\u043d\u044b\u0445 \u043f\u0440\u0438 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u043d\u043e\u0439 \u043e\u043f\u0446\u0438\u0438 \u043f\u0440\u0438 \u0441\u0431\u043e\u0440\u043a\u0435 \u0432 Jenkins<\/strong>.<\/p>\n

<\/p>\n

\u0414\u043b\u044f \u0443\u0434\u043e\u0431\u0441\u0442\u0432\u0430 \u043c\u043e\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u043d\u0430\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f: "myapplication<\/strong>"<\/p><\/blockquote>\n

manifest.yml<\/h4>\n
\r\napiVersion: storage.k8s.io\/v1\r\nkind: StorageClass\r\nmetadata:\r\n  name: gp2-myapplication\r\nparameters:\r\n  fsType: ext4\r\n  type: gp2\r\nprovisioner: kubernetes.io\/aws-ebs\r\nreclaimPolicy: Delete\r\nvolumeBindingMode: Immediate\r\n\r\n---\r\n\r\napiVersion: v1\r\nkind: PersistentVolumeClaim\r\nmetadata:\r\n  name: myapplication-data\r\n  namespace: staging\r\nspec:\r\n  storageClassName: gp2-myapplication\r\n  accessModes:\r\n    - ReadWriteOnce\r\n  resources:\r\n    requests:\r\n      storage: 10Gi\r\n\r\n---\r\n\r\napiVersion: v1\r\nkind: ConfigMap\r\nmetadata:\r\n  name: myapplication-postgres-config\r\n  namespace: staging\r\n  labels:\r\n    app: myapplication-postgres-app\r\ndata:\r\n  POSTGRES_DB: myapplication_database\r\n  POSTGRES_PASSWORD: PASSWORD\r\n  POSTGRES_USER: myapplication_user\r\n\r\n---\r\n\r\napiVersion: apps\/v1\r\nkind: Deployment\r\nmetadata:\r\n  name: myapplication-postgres-app\r\n  namespace: staging\r\n  labels:\r\n    app: myapplication-postgres-app\r\nspec:\r\n  replicas: 1\r\n  selector:\r\n    matchLabels:\r\n      app: myapplication-postgres-app\r\n  strategy:\r\n    type: RollingUpdate\r\n  progressDeadlineSeconds: 300\r\n  template:\r\n    metadata:\r\n      labels:\r\n        app: myapplication-postgres-app\r\n    spec:\r\n      volumes:\r\n      - name: storage-myapplication\r\n        persistentVolumeClaim:\r\n         claimName: myapplication-data\r\n      containers:\r\n      - image: postgres\r\n        name: myapplication-postgres\r\n        imagePullPolicy: "IfNotPresent"\r\n        envFrom:\r\n            - configMapRef:\r\n                name: myapplication-postgres-config\r\n        ports:\r\n          - containerPort: 5432\r\n        volumeMounts:\r\n          - mountPath: "\/usr\/local\/pgsql\/data"\r\n            name: storage-myapplication\r\n      nodeSelector:\r\n        nodegroup: staging\r\n\r\n---\r\n\r\napiVersion: v1\r\nkind: Service\r\nmetadata:\r\n  name: postgres-db-myapplication\r\n  namespace: staging\r\nspec:\r\n  ports:\r\n  - port: 5432\r\n    targetPort: 5432\r\n  selector:\r\n    app: myapplication-postgres-app\r\n  type: ClusterIP\r\n<\/pre>\n
\u041f\u0440\u0438\u043c\u0435\u043d\u0438\u043c \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u044b\u0439 \u043c\u0430\u043d\u0438\u0444\u0435\u0441\u0442:<\/p>\n
\r\nkubectl create -f manifest.yml\r\n<\/pre>\n
\u0412 Jenkins<\/strong> \u0432 MultibrachPipeline<\/strong> \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u043c \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440 \u0441\u0431\u043e\u0440\u043a\u0438:<\/p>\n
\r\npipeline {\r\n    agent any\r\n    parameters {\r\n        booleanParam(name: 'reinitialize_psql', defaultValue: false, description: 'Allows you to reinitialize postgreSQL.')\r\n    }\r\n<\/pre>\n
\u0418 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u0448\u0430\u0433 \u043e\u0447\u0438\u0441\u0442\u043a\u0438:<\/p>\n
\r\n        stage ('Reinitialize postgreSQL.'){\r\n            when { \r\n                allOf {\r\n                    branch 'staging'                \r\n                    expression { return params.reinitialize_psql } \r\n                }\r\n            }\r\n            steps {\r\n                sh "${KUBECTL} -n staging delete -f .jenkins\/database.yml"\r\n                sh "sleep 30"\r\n                sh "${KUBECTL} -n staging apply -f .jenkins\/database.yml"\r\n            }\r\n        }\r\n<\/pre>\n
\u0421\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 \u0444\u0430\u0439\u043b\u0430 "database.yml<\/strong>" \u0432 \u0434\u0438\u0440\u0435\u043a\u0442\u043e\u0440\u0438\u0438 ".jenkins<\/strong>"<\/p>\n
\r\napiVersion: v1\r\nkind: PersistentVolumeClaim\r\nmetadata:\r\n  name: myapplication-data\r\n  namespace: staging\r\nspec:\r\n  storageClassName: gp2-myapplication\r\n  accessModes:\r\n    - ReadWriteOnce\r\n  resources:\r\n    requests:\r\n      storage: 10Gi\r\n\r\n---\r\n\r\napiVersion: apps\/v1\r\nkind: Deployment\r\nmetadata:\r\n  name: myapplication-postgres-app\r\n  namespace: staging\r\n  labels:\r\n    app: myapplication-postgres-app\r\nspec:\r\n  replicas: 1\r\n  selector:\r\n    matchLabels:\r\n      app: myapplication-postgres-app\r\n  strategy:\r\n    type: RollingUpdate\r\n  progressDeadlineSeconds: 300\r\n  template:\r\n    metadata:\r\n      labels:\r\n        app: myapplication-postgres-app\r\n    spec:\r\n      volumes:\r\n      - name: storage-myapplication\r\n        persistentVolumeClaim:\r\n         claimName: myapplication-data\r\n      containers:\r\n      - image: postgres\r\n        name: myapplication-postgres\r\n        imagePullPolicy: "IfNotPresent"\r\n        envFrom:\r\n            - configMapRef:\r\n                name: myapplication-postgres-config\r\n        ports:\r\n          - containerPort: 5432\r\n        volumeMounts:\r\n          - mountPath: "\/usr\/local\/pgsql\/data"\r\n            name: storage-myapplication\r\n      nodeSelector:\r\n        nodegroup: staging\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"
\u0417\u0430\u0434\u0430\u0447\u0430 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0430\u044f, \u0443\u0434\u0430\u043b\u044f\u0442\u044c \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 Persistent Storage \u0434\u043b\u044f \u043f\u043e\u0434\u0430 \u0441 Postgres \u0431\u0430\u0437\u043e\u0439 \u0434\u0430\u043d\u043d\u044b\u0445 \u043f\u0440\u0438 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u043d\u043e\u0439 \u043e\u043f\u0446\u0438\u0438 \u043f\u0440\u0438 \u0441\u0431\u043e\u0440\u043a\u0435 \u0432 Jenkins.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[20],"tags":[125,18,17,711,705,707,709],"_links":{"self":[{"href":"https:\/\/artem.services\/index.php?rest_route=\/wp\/v2\/posts\/965"}],"collection":[{"href":"https:\/\/artem.services\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/artem.services\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/artem.services\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/artem.services\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=965"}],"version-history":[{"count":3,"href":"https:\/\/artem.services\/index.php?rest_route=\/wp\/v2\/posts\/965\/revisions"}],"predecessor-version":[{"id":968,"href":"https:\/\/artem.services\/index.php?rest_route=\/wp\/v2\/posts\/965\/revisions\/968"}],"wp:attachment":[{"href":"https:\/\/artem.services\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=965"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/artem.services\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=965"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/artem.services\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=965"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}